lwoGroupChunk.h

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/**
 * PANDA 3D SOFTWARE
 * Copyright (c) Carnegie Mellon University.  All rights reserved.
 *
 * All use of this software is subject to the terms of the revised BSD
 * license.  You should have received a copy of this license along
 * with this source code in a file named "LICENSE."
 *
 * @file lwoGroupChunk.h
 * @author drose
 * @date 2001-04-24
 */

#ifndef LWOGROUPCHUNK_H
#define LWOGROUPCHUNK_H

#include "pandatoolbase.h"

#include "lwoChunk.h"
#include "iffChunk.h"

#include "pointerTo.h"

#include "pvector.h"

/**
 * A particular kind of LwoChunk that is expected to contain an arbitrary
 * number of child chunks.
 */
class LwoGroupChunk : public LwoChunk {
public:
  int get_num_chunks() const;
  IffChunk *get_chunk(int n) const;

protected:
  bool read_chunks_iff(IffInputFile *in, size_t stop_at);
  bool read_subchunks_iff(IffInputFile *in, size_t stop_at);
  void write_chunks(std::ostream &out, int indent_level) const;

  typedef pvector< PT(IffChunk) > Chunks;
  Chunks _chunks;

public:
  virtual TypeHandle get_type() const {
    return get_class_type();
  }
  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
  static TypeHandle get_class_type() {
    return _type_handle;
  }
  static void init_type() {
    LwoChunk::init_type();
    register_type(_type_handle, "LwoGroupChunk",
                  LwoChunk::get_class_type());
  }

private:
  static TypeHandle _type_handle;
};

#endif